TREA

Roger P. Van Driesen

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  • Titusville, NJ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Processes for regenerating catalysts contaminated with carbonaceous...
    • Patent number 5,217,935
    • Issue date Jun 8, 1993
    • ABB Lummus Crest Inc.
    • Roger Van Driesen
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Solid addition and withdrawal
    • Patent number 5,021,147
    • Issue date Jun 4, 1991
    • Abb Lummus Crest, Inc.
    • Roger P. Van Driesen
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Solid addition and withdrawal
    • Patent number 4,875,995
    • Issue date Oct 24, 1989
    • Lummus Crest, Inc.
    • Roger P. Van Driesen
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    High severity visbreaking with recycle
    • Patent number 4,846,958
    • Issue date Jul 11, 1989
    • Lummus Crest, Inc.
    • Robert J. Feldman
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    High severity visbreaking
    • Patent number 4,773,986
    • Issue date Sep 27, 1988
    • Lummus Crest, Inc.
    • Robert J. Feldman
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Treatment of feed for high severity visbreaking
    • Patent number 4,767,521
    • Issue date Aug 30, 1988
    • Lummus Crest, Inc.
    • Robert J. Feldman
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Solid addition and withdrawal
    • Patent number 4,744,887
    • Issue date May 17, 1988
    • Lummus Crest Inc.
    • Roger P. Van Driesen
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Pump seal oil system
    • Patent number 4,734,266
    • Issue date Mar 29, 1988
    • Lummus Crest, Inc.
    • Roger P. Van Driesen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Upgrading of high boiling hydrocarbons
    • Patent number 4,686,028
    • Issue date Aug 11, 1987
    • Roger P. Van Driesen
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Control of bed expansion in expanded bed reactor
    • Patent number 4,684,456
    • Issue date Aug 4, 1987
    • Lummus Crest Inc.
    • Roger P. Van Driesen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Hydrogenation of high boiling hydrocarbons
    • Patent number 4,411,768
    • Issue date Oct 25, 1983
    • The Lummus Company
    • Harold Unger
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS